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Add basic tests for cloexec and get_open_fds functions

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This commit is contained in:
matt335672 2023-04-24 11:57:14 +01:00
parent d712f3527a
commit cf9e07d341
1 changed files with 66 additions and 1 deletions
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67
tests/common/test_os_calls.c
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@ -9,6 +9,7 @@
#include <poll.h>
#include "os_calls.h"
#include "list.h"
#include "test_common.h"
@ -198,6 +199,69 @@ START_TEST(test_g_file_get_size__5GiB)
END_TEST
#endif
/******************************************************************************/
/* Just test we can set and clear the flag. We don't test its operation */
START_TEST(test_g_file_cloexec)
{
int flag;
int devzerofd = g_file_open("/dev/zero");
ck_assert(devzerofd >= 0);
(void)g_file_set_cloexec(devzerofd, 1);
flag = g_file_get_cloexec(devzerofd);
ck_assert(flag != 0);
(void)g_file_set_cloexec(devzerofd, 0);
flag = g_file_get_cloexec(devzerofd);
ck_assert(flag == 0);
g_file_close(devzerofd);
}
END_TEST
/******************************************************************************/
START_TEST(test_g_file_get_open_fds)
{
int fd_count = get_open_fd_count();
int i;
struct list *start_list = g_get_open_fds(0, -1);
ck_assert_ptr_ne(start_list, NULL);
ck_assert_int_eq(start_list->count, fd_count);
// Open another file
int devzerofd = g_file_open("/dev/zero");
ck_assert(devzerofd >= 0);
// Have we now got one more open file?
struct list *open_list = g_get_open_fds(0, -1);
ck_assert_ptr_ne(open_list, NULL);
ck_assert_int_eq(open_list->count, fd_count + 1);
// Check the new file is not in the start list, but is in the open list
ck_assert_int_lt(list_index_of(start_list, devzerofd), 0);
ck_assert_int_ge(list_index_of(open_list, devzerofd), 0);
g_file_close(devzerofd);
struct list *finish_list = g_get_open_fds(0, -1);
ck_assert_ptr_ne(finish_list, NULL);
// start list same as finish list?
ck_assert_int_eq(finish_list->count, fd_count);
for (i = 0 ; i < start_list->count; ++i)
{
ck_assert_int_eq((int)finish_list->items[i],
(int)start_list->items[i]);
}
list_delete(start_list);
list_delete(open_list);
list_delete(finish_list);
}
END_TEST
/******************************************************************************/
START_TEST(test_g_sck_fd_passing)
{
@ -382,8 +446,9 @@ make_suite_test_os_calls(void)
tcase_add_test(tc_os_calls, test_g_file_get_size__2GiB);
tcase_add_test(tc_os_calls, test_g_file_get_size__5GiB);
#endif
tcase_add_test(tc_os_calls, test_g_file_cloexec);
tcase_add_test(tc_os_calls, test_g_file_get_open_fds);
tcase_add_test(tc_os_calls, test_g_sck_fd_passing);
tcase_add_test(tc_os_calls, test_g_sck_fd_overflow);
return s;
}